17 results
Causes of Back Pain #Diagnosis #EM #PrimaryCare #Differential #Back #Pain #BackPain #Spinal #Referred #Algorithm #Ddxof
Causes of Back Pain ... #Diagnosis #EM ... #Pain #BackPain ... #Spinal #Referred ... #Algorithm #Ddxof
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... arthritis of the spine ... (most common: lung ... #Diagnosis #causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• Severe low back ... sequestration • Saddle ... Mnemonic: • S - Saddle ... - Emergency Causes ... #causes #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Syndrome - Low back ... pain, sciatica, ... saddle (perineal ... Commonly caused ... Dermatomes #Myotomes #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... patients with a long ... Impotence - Saddle ... Sensory loss - Saddle ... #differential #diagnosis
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
- Differential Diagnosis ... Sarcoma, Metastatic Lung ... Tumors • Vascular Mases ... Pheochromocystoma • Thoracic spine ... #pulmonary #anterior
Scoliosis: Pathogenesis and clinical findings (Cobb Angle > 10 Degrees)

 • Incr Axial rotation of thoracic
-> Neuropathy, pack ... pain • Incr lateral ... volume -> Decr lung ... Exertion, Restrictive Pulmonary ... pathophysiology #msk #diagnosis
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... roots—cervical spine ... subdural hematoma, lung ... Loss of vision or black ... #differential #diagnosis
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
wasting, radicular pain ... bowel dysfunction, back ... pain • Imaging ... neurological symptoms • Caused ... #Tuberculosis #diagnosis
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Diagnosis Framework ... have had prior evaluations ... did not yield a diagnosis ... Long-standing vs ... , diarrhea • Back